Dimmer circuit for LED
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United States of America Patent
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Sep 5, 2006
Issued Date -
N/A
app pub date -
Feb 17, 2005
filing date -
Feb 17, 2005
priority date (Note) -
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Abstract
The AC output from a source is rectified and applied to a resistor/Zener diode circuit connection which determines the magnitude of the rectified voltage applied via a circuit to a first MOSFET device. The inverted output of the first MOSFET device is applied to the gate electrode of a second MOSFET device in a manner such that the second MOSFET device is ON even when the AC output passes through zero. The output of the second MOSFET device is connected to a resistor which determines the magnitude of the load applied to the dimmer.
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